8231727228 has 48 divisors (see below), whose sum is σ = 20152043520. Its totient is φ = 2611857600.

The previous prime is 8231727223. The next prime is 8231727247. The reversal of 8231727228 is 8227271328.

It is a super-2 number, since 2×8231727228² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8231727228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8231727221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158688 + ... + 204071.

It is an arithmetic number, because the mean of its divisors is an integer number (419834240).

Almost surely, 2^8231727228 is an apocalyptic number.

It is an amenable number.

8231727228 is an abundant number, since it is smaller than the sum of its proper divisors (11920316292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8231727228 is a wasteful number, since it uses less digits than its factorization.

8231727228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362858 (or 362856 counting only the distinct ones).

The product of its digits is 150528, while the sum is 42.

The square root of 8231727228 is about 90728.8665640655. The cubic root of 8231727228 is about 2019.1270962963.

The spelling of 8231727228 in words is "eight billion, two hundred thirty-one million, seven hundred twenty-seven thousand, two hundred twenty-eight".